Hippolyte in Greek and Roman Biography and Mythology（Ἱππούτη).
1. A daughter of Ares and Otrera, was queen of the Amazons,
and a sister of Antiope and Melanippe. She wore, as an emblem
of her dignity, a girdle given to her by her father; and when
Heracles, by the command of Eurystheus, came to fetch this
girdle, Hippolyte was slain by Heracles. (HERACLES; Hyg. Fab.
30.) According to another tradition, Hippolyte, with an army
of Amazons, marched into Attica, to take vengeance on Theseus
for having carried off Antiope; but being conquered by
Theseus, she fled to Megara, where she died of grief, and was
buried. Her tomb, which was shown there in later times, had
the form of an Amazon's shield. (Paus. 1.41.7; Plut. Thes. 27;
Apollod. 2.5.9; Apollon. 2.968.) In some accounts Hippolyte is
said to have been married to Theseus instead of Antiope.
Euripides, in his Hippolytus, makes her the mother of
Hippolytus. 2. The wife of Acastus, according to Pindar (Pind.
N. 4.57, 5.26); but Apollodorus calls her Astydameia.
[ACASTUS.] - A Dictionary of Greek and Roman biography and
mythology, William Smith, Ed.http://www.perseus.tufts.edu/hopper/text?doc=Perseus%3atext%3a1999.04.0104

Hippolyte in WikipediaIn Greek mythology, Hippolyta or Hippolyte (Ἱππολύτη) is the
Amazonian queen who possessed a magical girdle she was given
by her father Ares, the god of war. Hippolyta first appears in
myth when she encounters Theseus, king of Athens, who was
accompanying Heracles on his quest against the Amazons. When
Theseus first arrived at the land of the Amazon they expected
no malice, and so Hippolyta came to his ship bearing gifts.
Once she was aboard Theseus abducted her and made her his
wife. Thereafter Theseus and a pregnant Hippolyta returned to
Athens. Theseus' brazen act sparked an Amazonomachy, a great
battle between the Athenians and Amazons...http://en.wikipedia.org/wiki/Hippolyte